gecko-dev/dom/streams/WritableStreamDefaultWriter.h

113 lines
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_WritableStreamDefaultWriter_h
#define mozilla_dom_WritableStreamDefaultWriter_h
#include "js/TypeDecls.h"
#include "js/Value.h"
#include "mozilla/Attributes.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/QueuingStrategyBinding.h"
#include "nsCycleCollectionParticipant.h"
#include "nsWrapperCache.h"
namespace mozilla::dom {
class Promise;
class WritableStream;
class WritableStreamDefaultWriter final : public nsISupports,
public nsWrapperCache {
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(WritableStreamDefaultWriter)
protected:
~WritableStreamDefaultWriter();
public:
explicit WritableStreamDefaultWriter(nsIGlobalObject* aGlobal);
// Slot Getter/Setters:
public:
WritableStream* GetStream() const { return mStream; }
void SetStream(WritableStream* aStream) { mStream = aStream; }
Promise* ReadyPromise() const { return mReadyPromise; }
void SetReadyPromise(Promise* aPromise);
Promise* ClosedPromise() const { return mClosedPromise; }
void SetClosedPromise(Promise* aPromise);
public:
nsIGlobalObject* GetParentObject() const { return mGlobal; }
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
// IDL Methods
static already_AddRefed<WritableStreamDefaultWriter> Constructor(
const GlobalObject& aGlobal, WritableStream& aStream, ErrorResult& aRv);
already_AddRefed<Promise> Closed();
already_AddRefed<Promise> Ready();
Nullable<double> GetDesiredSize(ErrorResult& aRv);
MOZ_CAN_RUN_SCRIPT already_AddRefed<Promise> Abort(
JSContext* aCx, JS::Handle<JS::Value> aReason, ErrorResult& aRv);
MOZ_CAN_RUN_SCRIPT already_AddRefed<Promise> Close(JSContext* aCx,
ErrorResult& aRv);
void ReleaseLock(JSContext* aCx);
MOZ_CAN_RUN_SCRIPT already_AddRefed<Promise> Write(
JSContext* aCx, JS::Handle<JS::Value> aChunk, ErrorResult& aRv);
// Internal Slots:
private:
nsCOMPtr<nsIGlobalObject> mGlobal;
RefPtr<WritableStream> mStream;
RefPtr<Promise> mReadyPromise;
RefPtr<Promise> mClosedPromise;
};
namespace streams_abstract {
void SetUpWritableStreamDefaultWriter(WritableStreamDefaultWriter* aWriter,
WritableStream* aStream,
ErrorResult& aRv);
void WritableStreamDefaultWriterEnsureClosedPromiseRejected(
WritableStreamDefaultWriter* aWriter, JS::Handle<JS::Value> aError);
void WritableStreamDefaultWriterEnsureReadyPromiseRejected(
WritableStreamDefaultWriter* aWriter, JS::Handle<JS::Value> aError);
Nullable<double> WritableStreamDefaultWriterGetDesiredSize(
WritableStreamDefaultWriter* aWriter);
void WritableStreamDefaultWriterRelease(JSContext* aCx,
WritableStreamDefaultWriter* aWriter);
MOZ_CAN_RUN_SCRIPT already_AddRefed<Promise> WritableStreamDefaultWriterWrite(
JSContext* aCx, WritableStreamDefaultWriter* aWriter,
JS::Handle<JS::Value> aChunk, ErrorResult& aRv);
MOZ_CAN_RUN_SCRIPT already_AddRefed<Promise>
WritableStreamDefaultWriterCloseWithErrorPropagation(
JSContext* aCx, WritableStreamDefaultWriter* aWriter, ErrorResult& aRv);
} // namespace streams_abstract
} // namespace mozilla::dom
#endif // mozilla_dom_WritableStreamDefaultWriter_h